Error status can be checked easily via the indoor unit wired controller
An error code is displayed on a liquid crystal screen.
Simple Remote Controller
Remote controller address Error code
Wired Remote Controller (Touch panel)
Error status / Error history
Error diagnosis by Service Tool
Connection to Service Tool • Detailed operation status and recent error history can be checked and analysed by using the Service Tool.
• Last 5 min. operation memory can also be recorded. Outdoor unit
Transmission line Monitoring Side RB unit Indoor unit
Service Tool
UTY-ASGXZ1 Software
USB adaptor (Locally purchased) 137
Public Telephone Line
Web Monitoring Tool Indoor unit
Internet or
USB adaptor (Locally purchased)
VRF Network System Side Outdoor unit
Transmission line
Remote monitoring
The Web Monitoring system allows you to view system operation anytime over the internet, ensuring issue free operation. The operating VRF network system in the building can be monitored real time over the Internet.